Answer this question truthfully
### Question: What causes Lactic acidosis?
### Response: The most common cause of lactic acidosis is intense exercise. However, it can also be caused by certain diseases, such as:
AIDS Cancer Kidney failure Respiratory failure Sepsis
A common medicine used to treat diabetes called metformin can also cause lactic acidosis. If you take this medicine, have your electrolyte levels checked 1 - 2 weeks after starting it.